CN218367419U - Position detection device, electronic lock and charging seat assembly - Google Patents

Abstract

The utility model discloses a position detection device, electronic lock and charging seat subassembly. The position detection device includes: a circuit board provided with a position detection circuit including a conductive pad formed thereon; and a conductive dome secured to the circuit board and electrically connected to the position sensing circuit, the conductive dome adapted to move under pressure from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad. When the conductive elastic sheet is pressed to the closed position, the position detection circuit is conducted; when the conductive elastic sheet is at the off position, the position detection circuit is switched off. The utility model discloses in, adopt two electrically conductive shell fragments to replace traditional micro-gap switch to can reduce the volume and the cost of electronic lock.

Description

Position detection device, electronic lock and charging seat assembly

Technical Field

The utility model relates to a position detection device, including this position detection device's electronic lock to and charging seat subassembly including this electronic lock.

Background

In the prior art, a charging seat used for matching with a charging gun is arranged on the new energy vehicle so as to charge a vehicle-mounted battery. In order to prevent the charging gun from being unexpectedly separated from the charging stand while charging, an electronic lock is generally installed on the charging stand. When charging, the electronic lock will insert the rifle locking that charges in the charging seat on the charging seat to prevent the unexpected separation of rifle and charging seat of charging, the security when guaranteeing to charge.

In the prior art, an electronic lock generally includes a movable base, a locking pin fixed to the movable base, and a pulling rope connected to the movable base. When the movable base is moved to the locking position, the locking pin is engaged with a pin hole on the charging gun inserted into the charging base to prevent the charging gun from being pulled out of the charging base. When the movable base is moved to the unlocking position, the locking pin is separated from the pin hole on the charging gun inserted into the charging base to allow the charging gun to be pulled out from the charging base.

When the electronic lock breaks down and cannot automatically drive the movable seat to move from the locking position to the unlocking position, the movable seat can be reset to the unlocking position by pulling the pull rope, and therefore manual unlocking is achieved.

In the related art, in order to accurately determine the position of the movable base of the electronic lock, two microswitches need to be provided in the housing of the electronic lock. When the movable seat moves to the locking position, one of the two microswitches is pressed down by the movable seat, so that the first position detection circuit is conducted; when the movable seat moves to the unlocking position, the other of the two microswitches is pressed down by the movable seat, so that the second position detection circuit is conducted. Thus, the position of the movable base can be detected. However, the cost and volume of the micro switch are high, which leads to the increase of the cost and volume of the electronic lock.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.

According to the utility model discloses an aspect provides a position detection device, include: a circuit board provided with a position detection circuit including a conductive pad formed on the circuit board; and a conductive dome secured to the circuit board and electrically connected to the position detection circuit, the conductive dome being adapted to move under a pressing force from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad. When the conductive elastic sheet is pressed to the closed position, the position detection circuit is conducted; when the conductive elastic sheet is at the off position, the position detection circuit is switched off.

According to an exemplary embodiment of the present invention, the position detection circuit includes: a first position detection circuit including a first conductive pad formed on the circuit board; and a second position detecting circuit including a second conductive pad formed on the circuit board. The conductive elastic piece comprises: a first conductive dome secured to the circuit board and electrically connected to the first position sensing circuit, the first conductive dome adapted to move under a force of a press from an open position electrically disconnected from the first conductive pad to a closed position electrically contacting the first conductive pad; and a second conductive dome secured to the circuit board and electrically connected to the second position detection circuit, the second conductive dome adapted to move from an open position electrically disconnected from the second conductive pad to a closed position electrically contacting the second conductive pad under a pressing force. When the first conductive elastic sheet is pressed to the closed position, the first position detection circuit is conducted. When the second conductive elastic sheet is pressed to the closed position, the second position detection circuit is conducted.

According to another exemplary embodiment of the present invention, the first conductive elastic piece includes: a first fixing portion fixed and electrically connected to the circuit board; the first cantilever part is connected with the first fixing part; and the first contact part is connected with the free end of the first cantilever part and is used for electrically contacting with the first conductive pad. The second conductive dome comprises: a second fixing portion fixed and electrically connected to the circuit board; the second cantilever part is connected with the second fixing part; and the second contact part is connected with the free end of the second cantilever part and is used for electrically contacting with the second conductive pad.

According to another exemplary embodiment of the present invention, the first conductive dome and the second conductive dome extend along the first direction and are arranged side by side in a second direction perpendicular to the first direction; the first conductive pad is adjacent to the second fixing portion of the second conductive elastic sheet; and the second conductive pad is adjacent to the first fixing portion of the first conductive elastic sheet.

According to another exemplary embodiment of the present invention, a first jack and a second jack are formed on the circuit board; the first fixing portion includes: a first plate-shaped part attached to the surface of the circuit board; and a first connection pin inserted into a first jack on the circuit board. The second fixing portion includes: the second plate-shaped part is attached to the surface of the circuit board; and a second connection pin inserted into a second insertion hole on the circuit board.

According to another exemplary embodiment of the present invention, the first plate-like portion and/or the first connecting pin are soldered to the circuit board to be electrically connected with the circuit board; the second plate-like portion and/or the second connecting pin are soldered to the circuit board to be electrically connected with the circuit board.

According to another exemplary embodiment of the present invention, the first fixing part includes a plurality of first connection pins located at different positions, the plurality of first connection pins being connected to sides of the first plate-shaped part and bent by 90 degrees with respect to the first plate-shaped part; the second fixing portion includes a plurality of second connecting legs located at different positions, and the second connecting legs are connected to the side edges of the second plate-shaped portion and bent by 90 degrees with respect to the second plate-shaped portion.

According to another exemplary embodiment of the present invention, the first plate-shaped portion is L-shaped, and includes two inner sides connected vertically and two outer sides connected vertically, and the plurality of first connecting pins are respectively connected to the two inner sides of the first plate-shaped portion; the second plate-shaped part is L-shaped and comprises two inner side edges which are vertically connected and two outer side edges which are vertically connected, and the plurality of second connecting feet are respectively connected to the two inner side edges of the second plate-shaped part.

According to another exemplary embodiment of the present invention, the first cantilever portion comprises at least one bending portion, such that the first cantilever portion is V-shaped or wave-shaped; the second cantilever part comprises at least one bending part, so that the second cantilever part is V-shaped or wavy.

According to another exemplary embodiment of the present invention, the position detection circuit further includes a conductive hole formed on the circuit board, the conductive hole being electrically connected to the connection terminal.

According to another exemplary embodiment of the present invention, the position detection device further comprises: and one end of the connecting terminal is inserted into the conductive hole on the circuit board, and the other end of the connecting terminal is suitable for being electrically connected with a cable.

According to another exemplary embodiment of the present invention, the first conductive elastic piece and the second conductive elastic piece are identical, so that the first conductive elastic piece and the second conductive elastic piece can be used interchangeably.

According to another exemplary embodiment of the present invention, the first conductive dome and the second conductive dome are an integral stamping.

According to another exemplary embodiment of the present invention, the position detection circuit includes: a first position detection circuit including a first conductive pad formed on the circuit board; and a second position detecting circuit including a second conductive pad formed on the circuit board. The conductive elastic piece comprises: a first contact adapted to move under pressure from an open position electrically disconnected from the first conductive pad to a closed position in electrical contact with the first conductive pad; and a second contact portion adapted to move under pressure from an open position electrically disconnected from the second conductive pad to a closed position electrically contacting the second conductive pad. When the first contact part of the conductive elastic sheet is pressed to the closed position, the first position detection circuit is conducted. When the second contact part of the conductive elastic sheet is pressed to the closed position, the second position detection circuit is conducted.

According to another exemplary embodiment of the present invention, the first contact portion and the second contact portion of the conductive dome are spaced apart by a predetermined distance in the first direction.

According to another exemplary embodiment of the present invention, the conductive elastic piece is M-shaped, and the first contact portion and the second contact portion are two ends of the conductive elastic piece.

According to another exemplary embodiment of the present invention, the position detection circuit comprises a first position detection circuit and a second position detection circuit. The conductive elastic piece comprises: a first conductive dome secured to the circuit board and electrically connected to the first position sensing circuit, the first conductive dome adapted to move under a pressing force from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad; and a second conductive dome secured to the circuit board and electrically connected to the second position sensing circuit, the second conductive dome adapted to move from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad under a pressing force. When the first conductive elastic sheet is pressed to the closed position, the first position detection circuit is conducted. When the second conductive elastic sheet is pressed to the closed position, the second position detection circuit is conducted.

According to another aspect of the present invention, there is provided an electronic lock, including: a housing; the position detection device is fixedly arranged in the shell; a movable seat movably mounted in the housing and movable between a locked position and an unlocked position; and a locking pin fixed to the moving seat and protruding to the outside of the housing through a pin hole on the housing. When the movable seat is moved to the locking position, the first conductive elastic sheet is pressed to the closing position by the movable seat, so that the first position detection circuit is conducted. When the movable seat is moved to the unlocking position, the second conductive elastic sheet is pressed to the closing position by the movable seat, so that the second position detection circuit is conducted.

According to an exemplary embodiment of the present invention, the movable seat comprises: a front end body to which the locking pin is fixed; a rear end body to which the pull cord is connected; a connector connected between the front end body and the rear end body; and the pressing part is connected to one side of the rear end body and is used for pressing the conductive elastic sheet.

According to another aspect of the utility model, a charging seat subassembly is provided, include: a charging seat; and the electronic lock is fixedly arranged on the charging seat. When the movable base of the electronic lock is moved to the locking position, the locking pin of the electronic lock engages with a charging gun inserted into the charging base to prevent the charging gun from being pulled out of the charging base; when the movable base is moved to the unlocking position, the locking pin is separated from the charging gun inserted into the charging base to allow the charging gun to be pulled out of the charging base.

In the aforesaid various exemplary embodiments according to the present invention, two conductive elastic pieces are adopted to replace the conventional micro-gap switch, so that the volume and cost of the electronic lock can be reduced.

Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.

Drawings

Fig. 1 shows a schematic perspective view of an electronic lock according to an exemplary embodiment of the present invention;

fig. 2 shows an exploded perspective view of an electronic lock according to an exemplary embodiment of the present invention;

fig. 3 shows a perspective view of various devices disposed within a housing of an electronic lock in accordance with an exemplary embodiment of the present invention;

fig. 4 shows a schematic perspective view of a position detection device according to an exemplary embodiment of the present invention;

fig. 5 shows an exploded schematic view of a position detection device according to an exemplary embodiment of the present invention;

fig. 6 shows an exploded schematic view of a housing, cable and pull cord assembly of an electronic lock in accordance with an exemplary embodiment of the present invention;

fig. 7 shows a longitudinal cross-sectional view of a housing and a cable of an electronic lock according to an exemplary embodiment of the present invention, wherein the cable has not yet been installed into the cable through-hole;

fig. 8 shows a longitudinal cross-sectional view of a housing and a cable of an electronic lock according to an exemplary embodiment of the present invention, wherein the cable has been installed into a cable through-hole;

fig. 9 shows a perspective view of a cable and a first seal of an electronic lock according to an exemplary embodiment of the present invention;

fig. 10 shows a longitudinal cross-sectional view of a housing and a pull cord assembly of an electronic lock according to an exemplary embodiment of the present invention, wherein the pull cord assembly has been installed into a pull cord through hole;

fig. 11 shows a longitudinal cross-sectional view of a housing and a pull cord assembly of an electronic lock according to an exemplary embodiment of the present invention, wherein the pull cord assembly has not yet been installed into the pull cord through hole;

fig. 12 shows a longitudinal cross-sectional view of a pull cord assembly of an electronic lock in accordance with an exemplary embodiment of the present invention;

fig. 13 shows an exploded schematic view of a housing, a locking pin and a second seal of an electronic lock according to an exemplary embodiment of the present invention;

fig. 14 shows an exploded schematic view of a housing, a locking pin and a second seal of an electronic lock according to an exemplary embodiment of the invention, wherein the second seal and the housing are partially cut away;

fig. 15 shows an assembly schematic of a housing, a locking pin and a second seal of an electronic lock according to an exemplary embodiment of the invention, wherein the second seal and the housing are partially cut away.

Detailed Description

The technical solution of the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.

According to the utility model discloses a general technical concept provides a position detection device, include: a circuit board provided with a position detection circuit including a conductive pad formed thereon; and a conductive dome secured to the circuit board and electrically connected to the position sensing circuit, the conductive dome adapted to move under pressure from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad. When the conductive elastic sheet is pressed to the closed position, the position detection circuit is conducted; when the conductive elastic sheet is at the off position, the position detection circuit is switched off.

According to another general technical concept of the present invention, there is provided an electronic lock, including: a housing; the aforementioned position detection device fixedly mounted in the housing; a movable seat movably mounted in the housing and movable between a locked position and an unlocked position; and a locking pin fixed to the moving seat and protruding to the outside of the housing through a pin hole on the housing. When the movable seat is moved to the locking position, the first conductive elastic sheet is pressed to the closing position by the movable seat, so that the first position detection circuit is conducted. When the movable seat is moved to the unlocking position, the second conductive elastic sheet is pressed to the closing position by the movable seat, so that the second position detection circuit is conducted.

According to another general technical concept of the present invention, there is provided a charging stand assembly, including: a charging seat; and the electronic lock is fixedly arranged on the charging seat. When the movable base of the electronic lock is moved to the locking position, the locking pin of the electronic lock engages with a charging gun inserted into the charging base to prevent the charging gun from being pulled out of the charging base; when the movable base is moved to the unlocking position, the locking pin is separated from the charging gun inserted into the charging base to allow the charging gun to be pulled out of the charging base.

Fig. 1 shows a schematic perspective view of an electronic lock according to an exemplary embodiment of the present invention; fig. 2 shows an exploded isometric view of an electronic lock according to an exemplary embodiment of the present invention; fig. 3 shows a perspective view of various devices disposed within a housing of an electronic lock, according to an example embodiment of the present invention.

As shown in fig. 1-3, in the illustrated embodiment, the electronic lock is used to lock a charging gun (not shown) to a charging dock (not shown). The electronic lock mainly comprises a housing 1, a movable seat 6 and a locking pin 3. The moving seat 6 is movably installed in the housing 1 to be movable between a locking position and an unlocking position in a longitudinal direction of the housing 1. The locking pin 3 is fixed to the moving block 6 to move in the longitudinal direction together with the moving block 6. The housing 1 has side walls and a bottom wall 13 enclosing an inner cavity. The side walls of the housing 1 include front and rear side walls 11 and 12 opposed in the longitudinal direction thereof and left and right side walls opposed in the lateral direction thereof. A pin hole 11a is formed on the front side wall 11 of the case 1, and the locking pin 3 passes through the front side wall of the case 1 via the pin hole 11a and protrudes to the outside of the case 1 to engage with a pin hole on a charging gun inserted into a charging stand.

As shown in fig. 1 to 3, in the illustrated embodiment, when the moving base 6 of the electronic lock is moved to the locking position, the locking pin 3 of the electronic lock engages with the charging gun inserted into the charging base to prevent the charging gun from being pulled out of the charging base. When the movable base 6 is moved to the unlocking position, the locking pin 3 is separated from the charging gun inserted into the charging base to allow the charging gun to be pulled out from the charging base.

Fig. 4 shows a schematic perspective view of a position detection device 9 according to an exemplary embodiment of the present invention; fig. 5 shows an exploded schematic view of the position detection device 9 according to an exemplary embodiment of the present invention.

In order to be able to detect the position of the mobile seat 6, as shown in fig. 1 to 5, in an exemplary embodiment of the invention, a position detection device 9 is disclosed. The position detection device 9 includes: circuit board 93, first electrically conductive shell fragment 91 and second electrically conductive shell fragment 92. The circuit board 93 includes a first position detection circuit (not shown) and a second position detection circuit (not shown). The first and second position detection circuits include first and second conductive pads 931 and 932, respectively, formed on the circuit board 93. The first and second conductive pads 931 and 932 are spaced apart by a predetermined distance in the first direction (the longitudinal direction of the housing 1). The first conductive spring 91 is fixed and electrically connected to the circuit board 93 and is adapted to move from an open position electrically separated from the first conductive pad 931 to a closed position electrically contacting the first conductive pad 931 under a pressing force. The second conductive dome 92 is secured to and electrically connected to the circuit board 93 and is adapted to move under a compressive force from an open position electrically disconnected from the second conductive pad 932 to a closed position electrically contacting the second conductive pad 932.

Note that in the present application, the conductive pads 931, 932 are contacts on the circuit board 93 and are not conductive members additionally provided on the circuit board.

As shown in fig. 1 to 5, in the illustrated embodiment, when the movable base 6 is moved to the locking position, the first conductive elastic piece 91 is pressed to the closed position by the movable base 6, and at this time, the first position detection circuit (not shown) is turned on, so that it can be detected that the movable base 6 is moved to the locking position.

As shown in fig. 1 to 5, in the illustrated embodiment, when the movable base 6 is moved to the unlock position and the second conductive dome 92 is pressed to the close position by the movable base 6, the second position detection circuit is turned on, so that it can be detected that the movable base 6 is moved to the unlock position.

As shown in fig. 1 to 5, in the illustrated embodiment, the first conductive elastic piece 91 includes: a first fixing portion 911 fixed and electrically connected to the circuit board 93; a first cantilever portion 912 connected to the first fixing portion 911; and a first contact portion 913 connected to the free end of the first cantilever portion 912 for electrically contacting the first conductive pad 931.

As shown in fig. 1 to 5, in the illustrated embodiment, the second conductive elastic piece 92 includes: a second fixing portion 921 fixed and electrically connected to the circuit board 93; a second cantilever portion 922 connected to the second fixing portion 921; and a second contact portion 923 connected to the free end of the second cantilever portion 922 for electrically contacting the second conductive pad 932.

As shown in fig. 1 to 5, in the illustrated embodiment, the first conductive dome 91 and the second conductive dome 92 extend in a first direction and are arranged side by side in a second direction perpendicular to the first direction. The first conductive pad 931 is adjacent to the second fixing portion 921 of the second conductive elastic piece 92. The second conductive pad 932 is adjacent to the first fixing portion 911 of the first conductive clip 91.

As shown in fig. 1 to 5, in the illustrated embodiment, a first insertion hole 931b and a second insertion hole 932b are formed on the circuit board 93. The first fixing portion 911 includes: a first plate-like portion 911a that abuts on a surface of the circuit board 93; and a first connection pin 911b inserted into the first insertion hole 931b on the circuit board 93. The second fixing portion 921 includes: a second plate-like portion 921a which abuts on a surface of the circuit board 93; and a second connection pin 921b inserted into the second insertion hole 932b on the circuit board 93.

As shown in fig. 1 to 5, in the illustrated embodiment, the first plate-like portion 911a and/or the first connecting pin 911b is soldered to the circuit board 93 to be electrically connected to the circuit board 93. The second plate-like portion 921a and/or the second connection pin 921b are soldered to the circuit board 93 to be electrically connected to the circuit board 93.

As shown in fig. 1 to 5, in the illustrated embodiment, the first fixing portion 911 includes a plurality of first connecting pins 911b located at different positions, and the plurality of first connecting pins 911b are connected to a side edge of the first plate-shaped portion 911a and bent 90 degrees with respect to the first plate-shaped portion 911 a.

As shown in fig. 1 to 5, in the illustrated embodiment, the second fixing portion 921 includes a plurality of second connecting pins 921b at different positions, and the plurality of second connecting pins 921b are connected to the side edge of the second plate-shaped portion 921a and are bent 90 degrees with respect to the second plate-shaped portion 921 a.

As shown in fig. 1 to 5, in the illustrated embodiment, the first plate-shaped portion 911a has an L-shape including two inner sides connected vertically and two outer sides connected vertically, and the plurality of first connecting pins 911b are connected to the two inner sides of the first plate-shaped portion 911a, respectively.

As shown in fig. 1 to 5, in the illustrated embodiment, the second plate-shaped portion 921a has an L-shape including two inner sides connected vertically and two outer sides connected vertically, and the plurality of second connecting legs 921b are connected to the two inner sides of the second plate-shaped portion 921a, respectively.

As shown in fig. 1 to 5, in the illustrated embodiment, the first cantilever portion 912 includes at least one bending portion, such that the first cantilever portion 912 has a V-shape or a wave-shape. The second cantilever portion 922 includes at least one bending portion, such that the second cantilever portion 922 is V-shaped or wavy.

As shown in fig. 1 to 5, in the illustrated embodiment, the position detection circuit further includes a conductive hole 93a formed on the circuit board 93, the conductive hole 93a being for electrical connection with a connection terminal (not shown).

As shown in fig. 1 to 5, in the illustrated embodiment, the position detection device 9 further includes a connection terminal. One end of the connection terminal is inserted and soldered into a conductive hole 93a on the circuit board 93 to be mechanically and electrically connected to the circuit board 93. The other end of the connection terminal is adapted to be electrically connected with a cable 5.

As shown in fig. 1 to 5, in the illustrated embodiment, the first conductive elastic piece 91 and the second conductive elastic piece 92 are completely the same, so that the first conductive elastic piece 91 and the second conductive elastic piece 92 can be used interchangeably. This can reduce the manufacturing cost. However, the present invention is not limited to the illustrated embodiment, and the first conductive elastic piece 91 and the second conductive elastic piece 92 may be different.

As shown in fig. 1 to 5, in the illustrated embodiment, the first conductive elastic piece 91 and the second conductive elastic piece 92 are both one-piece stamped pieces. This can further reduce the manufacturing cost.

As shown in fig. 1 to 5, in another exemplary embodiment of the present invention, an electronic lock is also disclosed. This electronic lock includes: the housing 1, the position detection device 9, the moving seat 6 and the locking pin 3. The position detection device 9 is fixedly mounted in the housing 1. The movable seat 6 is movably mounted in the housing 1 to be movable between a locked position and an unlocked position. The locking pin 3 is fixed to the moving seat 6 and protrudes outside the housing 1 through a pin hole 11a on the housing 1.

As shown in fig. 1 to 5, in the illustrated embodiment, when the movable base 6 is moved to the locking position, the first conductive dome 91 is pressed to the closed position by the movable base 6, so that the first position detection circuit is turned on. When the moving seat 6 is moved to the unlock position, the second conductive elastic piece 92 is pressed to the close position by the moving seat 6, so that the second position detection circuit is turned on.

As shown in fig. 1 to 5, in the illustrated embodiment, the electronic lock further includes: a drive device 7 mounted in the housing 1; and a transmission 8 mounted in the casing 1 and connected between the driving means 7 and the mobile seat 6. The transmission device 8 is used for converting the rotary motion output by the driving device 7 into linear motion so as to drive the movable seat 6 to move between the locking position and the unlocking position.

As shown in fig. 1 to 5, in the illustrated embodiment, the electronic lock further includes a pull rope 41, and the pull rope 41 extends into the housing 1 through a pull rope through hole 131 on the housing 1 and is connected to the movable seat 6 for pulling the movable seat 6 from the locking position to the unlocking position.

As shown in fig. 1 to 5, in the illustrated embodiment, the mobile seat 6 comprises: a front end body 61 to which the lock pin 3 is fixed; a rear end body 62 to which the pulling rope 41 is connected; a connecting body 63 connected between the front body 61 and the rear body 62; and a pressing part 65 connected to one side of the rear body 62 for pressing the first conductive elastic piece 91 and the second conductive elastic piece 92.

As shown in fig. 1 to 5, in the illustrated embodiment, a connection hole 93b is formed in the circuit board 93, and a screw hole is formed in the housing 1. The electronic lock further includes a screw 93c, and the screw 93c passes through the connection hole 93b and is screwed into the screw hole to fix the circuit board 93 to the housing 1.

Note that the position detection device of the present invention is not limited to the illustrated embodiment, and for example, in another exemplary embodiment of the present invention, the position detection circuit includes: a first position detection circuit including a first conductive pad formed on the circuit board; and a second position detecting circuit including a second conductive pad formed on the circuit board. The conductive elastic sheet includes: a first contact adapted to move under pressure from an open position electrically disconnected from the first conductive pad to a closed position in electrical contact with the first conductive pad; and a second contact portion adapted to move under pressure from an open position electrically disconnected from the second conductive pad to a closed position electrically contacting the second conductive pad. When the first contact part of the conductive elastic sheet is pressed to the closed position, the first position detection circuit is conducted. When the second contact part of the conductive elastic sheet is pressed to the closed position, the second position detection circuit is conducted. In this embodiment, the first contact portion and the second contact portion of the conductive elastic piece are spaced apart by a predetermined distance in the first direction, the conductive elastic piece is M-shaped, and the first contact portion and the second contact portion are two end portions of the conductive elastic piece.

Although not shown, in another exemplary embodiment of the present invention, the position detection circuit includes a first position detection circuit and a second position detection circuit. The conductive elastic piece comprises: a first conductive dome secured to the circuit board and electrically connected to the first position detection circuit, the first conductive dome adapted to move from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad under a pressing force; and a second conductive dome secured to the circuit board and electrically connected to the second position detection circuit, the second conductive dome being adapted to move from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad under a pressing force. When the first conductive elastic sheet is pressed to the closed position, the first position detection circuit is conducted. When the second conductive elastic sheet is pressed to the closed position, the second position detection circuit is conducted.

Fig. 6 shows an exploded schematic view of the housing 1, cable 5 and pull cord assembly 4 of the electronic lock according to an exemplary embodiment of the present invention; fig. 7 shows a longitudinal cross-sectional view of the housing 1 and the cable 5 of the electronic lock according to an exemplary embodiment of the present invention, wherein the cable 5 has not yet been installed into the cable through hole 121; fig. 8 shows a longitudinal cross-sectional view of the housing 1 and the cable 5 of the electronic lock according to an exemplary embodiment of the present invention, wherein the cable 5 has been installed into the cable through-hole 121; fig. 9 shows a schematic perspective view of a cable 5 and a first seal 50 of an electronic lock according to an exemplary embodiment of the invention.

As shown in fig. 1 to 9, in one exemplary embodiment of the present invention, an electronic lock is disclosed. This electronic lock includes: a housing 1, electronic components 7a, 9, a plurality of cables 5 and a plurality of first seals 50. The housing 1 has side walls and a bottom wall 13 enclosing an inner cavity, and a plurality of cable through holes 121 are formed on the side walls of the housing 1. The electronic components 7a, 9 are fixedly mounted in the housing 1. The plurality of cables 5 extend into the case 1 through the plurality of cable through holes 121 and are electrically connected to the electronic components 7a, 9, respectively. The plurality of first seals 50 are fitted to the plurality of cables 5, respectively. The first seal 50 is radially compressed between the cable 5 and the wall of the cable through bore 121 to effect a seal therebetween. In this way, each cable 5 is sealingly mounted in a separate cable through-hole 121 by a separate first seal 50, improving the seal between the cable 5 and the cable through-hole 121.

As shown in fig. 1 to 9, in the illustrated embodiment, the first sealing member 50 is formed with a first through hole through which the cable 5 passes, the cable 5 is interference-fitted with a hole wall of the first through hole on the first sealing member 50, and the first sealing member 50 is interference-fitted with a hole wall of the cable through hole 121 on the side wall of the housing 1. In this way, the sealing between the cable 5 and the hole wall of the cable through-hole 121 can be reliably achieved by the first seal member 50.

Fig. 13 shows an exploded schematic view of the housing 1, the locking pin 3 and the second seal 30 of the electronic lock according to an exemplary embodiment of the present invention; fig. 14 shows an exploded schematic view of the housing 1, locking pin 3 and second seal 30 of the electronic lock according to an exemplary embodiment of the present invention, wherein the second seal 30 and the housing 1 are partially cut away; fig. 15 shows an assembly schematic of the housing 1, the locking pin 3 and the second sealing member 30 of the electronic lock according to an exemplary embodiment of the present invention, wherein the second sealing member 30 and the housing 1 are partially cut away.

As shown in fig. 13 to 15, in the illustrated embodiment, the electronic lock further includes: a mobile seat 6, a locking pin 3 and a second seal 30. The movable seat 6 is movably mounted in the housing 1 to be movable between a locked position and an unlocked position. The locking pin 3 is fixed to the moving seat 6 and protrudes outside the housing 1 through a pin hole 11a on a side wall of the housing 1. A second seal member 30 is fitted over the locking pin 3 and attached to the outer wall surface of the side wall of the housing 1 to seal the gap between the locking pin 3 and the hole wall of the pin hole 11 a.

As shown in fig. 13 to 15, in the illustrated embodiment, the second seal 30 includes: a body portion 300 and a plurality of connecting legs 310. The body portion 300 is formed with a second through hole 301 through which the locking pin 3 passes. A plurality of connection legs 310 are connected to the body part 300. A plurality of insertion holes 11c are formed in an outer wall surface of the side wall of the housing 1, and the plurality of connection legs 310 are respectively inserted into the plurality of insertion holes 11 c. The hole wall of the second through hole 301 of the second sealing element 30 is in interference fit with the locking pin 3, and the body 310 is tightly attached to the outer wall surface of the side wall of the housing 1. Thus, the gap between the locking pin 3 and the hole wall of the pin hole 11a can be reliably sealed by the second seal member 30.

As shown in fig. 13 to 15, in the illustrated embodiment, a radially projecting end 311 is formed on the connecting leg 310 of the second seal 30, and a radial locking surface 11d is formed on the wall of the insertion hole 11c of the housing 1 or in the side wall of the housing 1. The radially projecting end 311 on the connecting leg 310 engages with a radial locking surface 11d in the side wall of the housing 1 to lock the connecting leg 310 to the side wall of the housing 1.

As shown in fig. 13 to 15, in the illustrated embodiment, a groove 11e that is perpendicular to the insertion hole 11c is further formed on the sidewall of the housing 1, and an inner wall surface of the groove 11e surrounding the insertion hole 11c forms a radial locking surface 11d. The end 311 of the connecting leg 310 is inserted into the recess 11e via the plug-in hole 11c and rests against the radial locking surface 11d. In this way, the second seal 30 can be reliably attached to the outer wall surface of the side wall of the housing 1.

As shown in fig. 13 to 15, in the illustrated embodiment, the insertion hole 11c and the groove 11e do not penetrate through the side wall of the housing 1 in the thickness direction of the side wall of the housing 1. Thus, the sealing performance of the housing 1 can be further improved.

As shown in fig. 13 to 15, in the illustrated embodiment, a plurality of positioning holes 302 are formed in the main body 300 of the second sealing member 30, a plurality of protruding positioning posts 11b are formed on the outer wall surface of the side wall of the housing 1, and the plurality of protruding positioning posts 11b are inserted into the plurality of positioning holes 302, respectively.

As shown in fig. 13 to 15, in the illustrated embodiment, the positioning column 11b is in interference fit with the hole wall of the positioning hole 302 to increase the attaching force of the second sealing member 30 to the outer wall surface of the side wall of the housing 1.

Fig. 10 shows a longitudinal cross-sectional view of the housing 1 and the pull cord assembly 4 of the electronic lock according to an exemplary embodiment of the present invention, wherein the pull cord assembly 4 has been installed into the pull cord through hole 131; fig. 11 shows a longitudinal cross-sectional view of the housing 1 and the pull cord assembly 4 of the electronic lock according to an exemplary embodiment of the present invention, wherein the pull cord assembly 4 has not yet been installed into the pull cord through hole 131; fig. 12 shows a longitudinal cross-sectional view of a pull cord assembly 4 of an electronic lock according to an exemplary embodiment of the present invention.

As shown in fig. 10-12, in the illustrated embodiment, the electronic lock further includes a pull cord assembly 4. The pull rope assembly 4 includes a pull rope 41 and a third sealing member 40 sleeved on the pull rope 41. A rope through-hole 131 is formed in the side wall of the housing 1, and the rope 41 extends into the housing 1 through the rope through-hole 131 and is connected to the movable base 6. The third seal 40 is radially compressed between the draw cord 41 and the bore wall of the draw cord through bore 131 to effect a seal therebetween.

As shown in fig. 10 to 12, in the illustrated embodiment, the third seal member 40 is formed with a third through hole through which the pulling rope 41 passes, the pulling rope 41 is interference-fitted with the hole wall of the third through hole on the third seal member 40, and the third seal member 40 is interference-fitted with the hole wall of the pulling rope through hole 131 on the side wall of the housing 1. In this way, the seal between the pull rope 41 and the hole wall of the pull rope through hole 131 can be reliably achieved by the third seal member 40.

As shown in fig. 10 to 12, in the illustrated embodiment, the pulling rope assembly 4 further includes: a flexible sleeve 42 and a fixed sleeve 43. The pull cord 41 passes through the flexible sheath 42 and is movable relative to the flexible sheath 42. The fixed sleeve 43 is crimped on one end of the flexible sleeve 42 and fixed to the side wall of the housing 1. Note that the flexible sheath 42 here is flexible and bendable in the longitudinal direction, but has a certain rigidity in the radial direction, so that the fixing sheath 43 can be crimped onto one end of the flexible sheath 42.

As shown in fig. 1 to 15, in the illustrated embodiment, the side walls of the housing 1 include a front side wall 11 and a rear side wall 12 that are opposite in the longitudinal direction of the housing 1. The cable through-hole 121 and the cord through-hole 131 are formed on the rear sidewall 12 of the case 1, and the pin hole 11a is formed on the front sidewall 11 of the case 1.

As shown in fig. 1 to 15, in the illustrated embodiment, a first boss 120 and a second boss 130 are formed on an outer wall surface of the rear sidewall 12 of the case 1 to reinforce the strength of the rear sidewall 12. The plurality of cable through-holes 121 penetrate the first boss 120 in the longitudinal direction, and the draw string through-hole 131 penetrates the second boss 130 in the longitudinal direction.

As shown in fig. 1 to 15, in the illustrated embodiment, the electronic lock further includes: a drive 7 and a transmission 8. The drive means 7 is mounted in the housing 1. The transmission means 8 are mounted in the housing 1 and are connected between the driving means 7 and the mobile seat 6. The transmission device 8 is used for converting the rotary motion output by the driving device 7 into linear motion so as to drive the movable seat 6 to move along the longitudinal direction.

As shown in fig. 1 to 15, in the illustrated embodiment, the mobile seat 6 further comprises: front end body 61, rear end body 62 and connecting body 63. The lock pin 3 is fixed to the front end surface of the front end body 61. The pull cord 41 is connected to the rear body 62. The connecting body 63 is connected between the front body 61 and the rear body 62. The transmission means 8 includes a spur gear 84, and a rack portion 63a is formed on the coupling body 63, and the spur gear 84 is engaged with the rack portion 63a to drive the moving base 6 to move in the longitudinal direction.

As shown in fig. 1 to 15, in the illustrated embodiment, the driving device 7 mainly includes: a motor 71 and a reducer 72. The reducer 72 is connected to an output shaft of the motor 71. The transmission 8 further comprises: a first bevel gear 81, a rotating shaft 83 and a second bevel gear 82. The first bevel gear 81 is connected to an output shaft of the reduction gear 72. The rotation shaft 83 is rotatably installed in the housing 1. The second bevel gear 82 is mounted on the rotating shaft 83 and engages with the first bevel gear 81. The spur gear 84 is mounted on the rotational shaft 83 to rotate together with the rotational shaft 83.

As shown in fig. 1 to 15, in the illustrated embodiment, when the motor 71 is started, the first bevel gear 81 drives the second bevel gear 82 to rotate, the second bevel gear 82 drives the rotating shaft 83 to rotate, the rotating shaft 83 drives the spur gear 84 to rotate, and the spur gear 84 drives the movable base 6 to move linearly.

As shown in fig. 1 to 15, in the illustrated embodiment, the electronic components 7a, 9 may include the aforementioned position detection device 9 and the first circuit board 7a. The plurality of cables 5 includes a first cable. The first circuit board 7a is fixedly mounted to the motor 71 and electrically connected to the motor 71. The first cable is fixedly connected to the first circuit board 7a and electrically connected to the first circuit board 7a for supplying power to the motor 71.

As shown in fig. 1 to 15, in the illustrated embodiment, the housing 1 has an open top opening 101. The electronic lock further comprises a top cover 2, the top cover 2 being sealingly mounted on the top opening 101 of the housing 1. In this way, various devices and electronic components can be sealed in the inner cavity of the housing 1.

As shown in fig. 1 to 15, in an exemplary embodiment of the present invention, a charging stand assembly is also disclosed. This charging seat subassembly includes: charging seat and electronic lock. The electronic lock is fixedly arranged on the charging seat. When the movable base 6 of the electronic lock is moved to the locking position, the locking pin 3 of the electronic lock engages with the charging gun inserted into the charging base to prevent the charging gun from being pulled out from the charging base. When the movable base 6 is moved to the unlocking position, the locking pin 3 is separated from the charging gun inserted into the charging base to allow the charging gun to be pulled out from the charging base.

It is understood by those skilled in the art that the above described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle, and that these modifications are intended to fall within the scope of the present invention.

Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.

Claims (20)

1. A position detection device, comprising:

a circuit board provided with a position detection circuit including a conductive pad formed on the circuit board; and

a conductive dome secured to the circuit board and electrically connected to the position sensing circuit, the conductive dome adapted to move under a pressing force from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad,

when the conductive elastic sheet is pressed to the closed position, the position detection circuit is conducted,

when the conductive elastic sheet is at the off position, the position detection circuit is switched off.

2. The position detection device according to claim 1, characterized in that:

the position detection circuit includes:

a first position detection circuit including a first conductive pad formed on the circuit board; and

a second position detection circuit including a second conductive pad formed on the circuit board,

the conductive elastic sheet includes:

a first conductive dome secured to the circuit board and electrically connected to the first position sensing circuit, the first conductive dome adapted to move under a force of a press from an open position electrically disconnected from the first conductive pad to a closed position electrically contacting the first conductive pad; and

a second conductive dome secured to the circuit board and electrically connected to the second position sensing circuit, the second conductive dome adapted to move from an open position electrically disconnected from the second conductive pad to a closed position electrically contacting the second conductive pad under a pressing force,

when the first conductive elastic sheet is pressed to the closed position, the first position detection circuit is conducted,

when the second conductive elastic sheet is pressed to the closed position, the second position detection circuit is conducted.

3. The position detection device according to claim 2, characterized in that:

the first conductive elastic piece comprises:

a first fixing portion fixed and electrically connected to the circuit board;

the first cantilever part is connected with the first fixing part; and

a first contact portion connected to the free end of the first cantilever portion for electrically contacting the first conductive pad,

the second conductive dome sheet includes:

a second fixing portion fixed and electrically connected to the circuit board;

the second cantilever part is connected with the second fixing part; and

and the second contact part is connected with the free end of the second cantilever part and is used for being electrically contacted with the second conductive pad.

4. The position detecting device according to claim 3, characterized in that:

the first conductive elastic sheet and the second conductive elastic sheet extend along the first direction and are arranged side by side in a second direction perpendicular to the first direction;

the first conductive pad is adjacent to the second fixing portion of the second conductive elastic sheet; and is

The second conductive pad is adjacent to the first fixing portion of the first conductive elastic sheet.

5. The position detecting device according to claim 3, characterized in that:

a first jack and a second jack are formed on the circuit board;

the first fixing portion includes:

a first plate-shaped part attached to the surface of the circuit board; and

a first connection pin inserted into a first jack on the circuit board,

the second fixing portion includes:

a second plate-like portion that abuts on a surface of the circuit board; and

and the second connecting pin is inserted into a second jack on the circuit board.

6. The position detection device according to claim 5, characterized in that:

the first plate-shaped portion and/or the first connection pin are soldered to the circuit board to be electrically connected with the circuit board;

the second plate-like portion and/or the second connecting pin are soldered to the circuit board to be electrically connected with the circuit board.

7. The position detecting device according to claim 5, characterized in that:

the first fixing part comprises a plurality of first connecting pins positioned at different positions, and the first connecting pins are connected to the side edge of the first plate-shaped part and bent by 90 degrees relative to the first plate-shaped part;

the second fixing portion includes a plurality of second connecting legs located at different positions, and the second connecting legs are connected to the side edges of the second plate-shaped portion and bent by 90 degrees with respect to the second plate-shaped portion.

8. The position detection device according to claim 7, characterized in that:

the first plate-shaped part is L-shaped and comprises two inner side edges which are vertically connected and two outer side edges which are vertically connected, and the first connecting pins are respectively connected to the two inner side edges of the first plate-shaped part;

the second plate-shaped part is L-shaped and comprises two vertically connected inner side edges and two vertically connected outer side edges, and the second connecting feet are connected to the two inner side edges of the second plate-shaped part respectively.

9. The position detecting device according to claim 3, characterized in that:

the first cantilever part comprises at least one bending part, so that the first cantilever part is V-shaped or wavy;

the second cantilever part comprises at least one bending part, so that the second cantilever part is V-shaped or wavy.

10. The position detecting device according to claim 2, characterized in that:

the position detection circuit further includes a conductive hole formed on the circuit board, the conductive hole being for electrical connection with the connection terminal.

11. The position detection device according to claim 10, characterized by further comprising:

and one end of the connecting terminal is inserted into the conductive hole on the circuit board, and the other end of the connecting terminal is suitable for being electrically connected with a cable.

12. The position detection device according to any one of claims 2 to 11, characterized in that:

the first conductive elastic sheet and the second conductive elastic sheet are completely the same, so that the first conductive elastic sheet and the second conductive elastic sheet can be used interchangeably.

13. The position detection device according to any one of claims 2 to 11, characterized in that:

the first conductive elastic sheet and the second conductive elastic sheet are integrated stamping parts.

14. The position detection device according to claim 1, characterized in that:

the position detection circuit includes:

a first position detection circuit including a first conductive pad formed on the circuit board; and

a second position detection circuit including a second conductive pad formed on the circuit board,

the conductive elastic sheet includes:

a first contact adapted to move under a pressing force from an open position electrically disconnected from the first conductive pad to a closed position electrically contacting the first conductive pad; and

a second contact adapted to move under pressure from an open position electrically disconnected from the second conductive pad to a closed position electrically contacting the second conductive pad,

when the first contact part of the conductive elastic sheet is pressed to the closed position, the first position detection circuit is conducted,

when the second contact part of the conductive elastic sheet is pressed to the closed position, the second position detection circuit is conducted.

15. The position detection device according to claim 14, characterized in that:

the first contact portion and the second contact portion of the conductive dome are spaced apart by a predetermined distance in a first direction.

16. The position detection device according to claim 14, characterized in that:

the conductive elastic sheet is M-shaped, and the first contact part and the second contact part are two end parts of the conductive elastic sheet.

17. The position detection device according to claim 1, characterized in that:

the position detection circuit includes a first position detection circuit and a second position detection circuit;

the conductive elastic sheet includes:

a first conductive dome secured to the circuit board and electrically connected to the first position sensing circuit, the first conductive dome adapted to move under a pressing force from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad; and

a second conductive dome secured to the circuit board and electrically connected to the second position detection circuit, the second conductive dome adapted to move from an open position electrically disconnected from the conductive pad to a closed position electrically contacting the conductive pad under a pressing force,

when the first conductive elastic sheet is pressed to the closed position, the first position detection circuit is conducted,

when the second conductive elastic sheet is pressed to the closed position, the second position detection circuit is conducted.

18. An electronic lock, comprising:

a housing;

the position detection device of any one of claims 2-13, 17, fixedly mounted in the housing;

a movable seat movably mounted in the housing and movable between a locked position and an unlocked position; and

a locking pin fixed to the moving seat and protruding to the outside of the housing through a pin hole on the housing,

when the movable seat is moved to the locking position, the first conductive elastic sheet is pressed to the closing position by the movable seat, so that the first position detection circuit is conducted,

when the movable seat is moved to the unlocking position, the second conductive elastic sheet is pressed to the closing position by the movable seat, so that the second position detection circuit is conducted.

19. The electronic lock of claim 18, wherein:

the movable seat includes:

a front end body to which the locking pin is fixed;

the rear end body is connected with the pull rope;

a connector connected between the front end body and the rear end body; and

and the pressing part is connected to one side of the rear end body and is used for pressing the conductive elastic sheet.

20. A charging dock assembly, comprising:

a charging seat; and

the electronic lock of claim 18 or 19, fixedly mounted on said charging dock,

when the movable seat of the electronic lock is moved to the locking position, the locking pin of the electronic lock engages with a charging gun inserted into the charging seat to prevent the charging gun from being pulled out from the charging seat,

when the movable base is moved to the unlocking position, the locking pin is separated from the charging gun inserted into the charging base to allow the charging gun to be pulled out of the charging base.

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